EP0949564A3 - High speed virtual machine and compiler - Google Patents

High speed virtual machine and compiler Download PDF

Info

Publication number
EP0949564A3
EP0949564A3 EP99302715A EP99302715A EP0949564A3 EP 0949564 A3 EP0949564 A3 EP 0949564A3 EP 99302715 A EP99302715 A EP 99302715A EP 99302715 A EP99302715 A EP 99302715A EP 0949564 A3 EP0949564 A3 EP 0949564A3
Authority
EP
European Patent Office
Prior art keywords
virtual machine
instruction
stack
machine instruction
instruction information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99302715A
Other languages
German (de)
French (fr)
Other versions
EP0949564A2 (en
Inventor
Hiroyuki Waki
Shinji Inoue
Satoru Hayama
Mitsuko Fujita
Akira Ishikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP0949564A2 publication Critical patent/EP0949564A2/en
Publication of EP0949564A3 publication Critical patent/EP0949564A3/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/30156—Special purpose encoding of instructions, e.g. Gray coding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/3017—Runtime instruction translation, e.g. macros
    • G06F9/30178—Runtime instruction translation, e.g. macros of compressed or encrypted instructions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45504—Abstract machines for programme code execution, e.g. Java virtual machine [JVM], interpreters, emulators
    • G06F9/45516—Runtime code conversion or optimisation

Abstract

A virtual machine with a stack architecture includes: a stack 120 whose top level (TOS) and the second level from the top (SOS) are mapped to registers of a real machine 201; an instruction storing unit 102 for storing a virtual machine instruction sequence to be executed; next instruction information storing unit 101 for storing a plurality of sets of next instruction information that are each associated with a different virtual machine instruction in the virtual machine instruction sequence, the set of next instruction information for a given virtual machine instruction indicating a change in a number of sets of data stored in the stack 120 due to execution of a virtual machine instruction executed after the given virtual machine instruction; a decoding unit 103 for decoding a virtual machine instruction and an associated set of next instruction information after reading them from the instruction storing unit 102 and the next instruction information storing unit 101; and an executing unit 110 for executing the decoded virtual machine instruction and performing a stack handling in the stack 120 in advance for a virtual machine instruction that is to be executed next based on the set of next instruction information.
EP99302715A 1998-04-08 1999-04-07 High speed virtual machine and compiler Withdrawn EP0949564A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10096204A JPH11296381A (en) 1998-04-08 1998-04-08 Virtual machine and compiler
JP9620498 1998-04-08

Publications (2)

Publication Number Publication Date
EP0949564A2 EP0949564A2 (en) 1999-10-13
EP0949564A3 true EP0949564A3 (en) 2006-11-08

Family

ID=14158751

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99302715A Withdrawn EP0949564A3 (en) 1998-04-08 1999-04-07 High speed virtual machine and compiler

Country Status (3)

Country Link
US (3) US20030233386A1 (en)
EP (1) EP0949564A3 (en)
JP (1) JPH11296381A (en)

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Also Published As

Publication number Publication date
EP0949564A2 (en) 1999-10-13
US20030233386A1 (en) 2003-12-18
US20040268348A1 (en) 2004-12-30
US6799315B2 (en) 2004-09-28
US20030191792A1 (en) 2003-10-09
JPH11296381A (en) 1999-10-29

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